Novel tailstock center of numerical control machine tool

Abstract

The utility model belongs to the field of numerical control machine tools, and particularly relates to a novel tailstock center of a numerical control machine tool, which solves the problems that in the prior art, a worker needs to install the tailstock center on a machine tool, and the tailstock center is extremely troublesome to install or disassemble. Through mutual cooperation of a servo motor, a first threaded rod, a fixing plate and a threaded block, the servo motor can drive the first threaded rod to rotate, and the first threaded rod drives the threaded block to transversely move, so that a connecting block pushes a pushing plate and a clamping plate to turn over, and the machine tool tailstock is clamped and fixed; therefore, the machine tool tailstock can be quickly mounted and dismounted, the mounting convenience of a worker on the machine tool tailstock is greatly improved, the worker only needs to mount the machine tool tailstock to the sliding rail and slide the machine tool tailstock to the position of the baffle, the servo motor can be started to clamp and fix the machine tool tailstock, and the working efficiency is improved. And the installation efficiency of workers on the tailstock of the machine tool is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a tailstock center of a novel numerical control machine tool. Background Art

[0002] The tailstock of a CNC machine tool generally provides auxiliary support for the workpiece during machining, and is mainly used to support workpieces with center holes.

[0003] It consists of two parts: the tailstock body and the tailstock sleeve. A thimble is installed at the front end of the tailstock sleeve. The sleeve can automatically extend and retract to achieve the support of the top pin for the workpiece.

[0004] The authorization announcement number in the prior art is: CN203197263U, and the name is a machine tool tailstock. The device proposed in the patent document can first use the end with a drill bit to open a center hole on the part, and then turn the center, and use the end with a steel ball to support the part, which effectively reduces the processing procedures and processing time of the part. However, in the actual application of workpiece processing, the device needs to be installed on the machine tool by the staff, and the installation or disassembly operation is extremely troublesome, which greatly increases the workload of the staff and affects the efficiency of workpiece processing. Utility Model Content

[0005] The technical problem solved by the utility model is that the prior art requires workers to install it on a machine tool, and the installation or removal operation is extremely troublesome, and a novel tailstock center of a CNC machine tool is provided.

[0006] In order to solve the above technical problems, the utility model provides a new type of CNC machine tailstock center, including a main board, the upper surface of the main board is provided with a disassembly mechanism, the disassembly mechanism includes a servo motor fixedly connected to the upper surface of the main board, a first threaded rod, a fixed plate, a threaded block, and two connecting blocks fixedly connected to the outer surface of the threaded block, the output shaft of the servo motor is fixedly connected to the left end of the first threaded rod, and the end of the first threaded rod away from the servo motor is rotatably connected to the outer surface of the fixed plate, the bottom surface of the fixed plate is fixedly connected to the upper surface of the main board, and the inner wall of the threaded block is threadedly connected to the outer surface of the first threaded rod.

[0007] The reserved grooves on the outer surfaces of the two connecting blocks are hinged with push plates through pins, the upper surface of the main board is fixedly connected with two first limit blocks, and the first limit blocks are hinged with clamping plates through pins, and the side surfaces of the two clamping plates close to the push plates are fixedly connected with second limit blocks, and the second limit blocks are hinged to the end of the push plate away from the connecting block.

[0008] Two slide rails are fixedly connected to the upper surface of the main board, and a baffle is fixedly connected to the left side of the slide rail.

[0009] Preferably, sliding grooves are provided on the outer surfaces of the two slide rails, and a slidable tailstock body is sleeved on the outer surface of the slide rail, and a fixing cylinder is fixedly connected to the upper surface of the tailstock body. By setting up the tailstock body, it is easy to slide on the slide rail, and the connection groove on the bottom surface of the tailstock body is aligned with the slide rail for quick installation and disassembly.

[0010] Preferably, the reserved groove on the inner wall of the fixed cylinder is slidably connected to a threaded cylinder, and the inner wall of the threaded cylinder is threadedly connected to a second threaded rod, and the end of the second threaded rod away from the threaded cylinder is rotatably connected to the inner wall of the fixed cylinder. By setting the second threaded rod, the second threaded rod can drive the threaded cylinder to slide in the fixed cylinder when rotating, and the strip block set on the outer surface of the threaded cylinder can prevent the threaded cylinder from rotating during lateral movement.

[0011] Preferably, the inner wall of the fixed cylinder is inlaid with a bearing, and the inner ring of the bearing is fixedly connected to the outer surface of the second threaded rod. By providing the bearing, the second threaded rod can be better facilitated to rotate stably at the fixed cylinder, and the friction loss between the second threaded rod and the fixed cylinder can be greatly reduced.

[0012] Preferably, a crank is fixedly connected to one end of the second threaded rod away from the threaded barrel, and a crank with anti-slip measures is fixedly connected to the crank handle of the crank handle. A detachable top is installed at one end of the threaded barrel away from the second threaded rod. By setting the crank handle, it is more convenient for the staff to manually turn the crank handle, so that the crank handle drives the second threaded rod to rotate, which is convenient for the telescopic movement of the threaded barrel.

[0013] Preferably, the sliding grooves on the outer surfaces of the two slide rails are both provided with slidable sliding blocks, and the upper surfaces of the sliding blocks are threadedly connected with bolts. By providing the sliding blocks, the limiting blocking of the tailstock body can be further improved, the clamping and fixing effect of the tailstock body can be greatly improved, and the stability of the tailstock body when processing the workpiece can be improved.

[0014] Preferably, two connecting plates are fixedly connected to the upper surface of the main board, and the side surfaces of the two groups of connecting plates that are close to each other are fixedly connected to sliding rods, and the side surfaces of the two connecting blocks that are away from each other are fixedly connected to sliding blocks, and the sliding blocks are slidably connected to the sliding rods. By setting the connecting plates and the sliding rods, the sliding blocks can be easily driven by the connecting blocks to slide in a limited position at the sliding rods, thereby further improving the stability of the connecting blocks during lateral movement.

[0015] Preferably, a slide bar for limiting and guiding the threaded block is fixedly connected to the upper surface of the main board, and the outer surface of the slide bar is slidably connected to the reserved groove on the bottom surface of the threaded block. By providing the slide bar, the threaded block can be better facilitated to slide stably, thereby avoiding rotation and shaking of the threaded block when it moves laterally at the first threaded rod.

[0016] Compared with the related art, the utility model has the following beneficial effects:

[0017] 1. The utility model sets a servo motor, a first threaded rod, a fixing plate, and a threaded block to cooperate with each other, so that the servo motor can drive the first threaded rod to rotate, and the first threaded rod drives the threaded block to move laterally, so that the connecting block pushes the pushing plate and the clamping plate to flip, so as to clamp and fix the tailstock of the machine tool, thereby realizing rapid installation and disassembly of the tailstock of the machine tool, greatly improving the convenience of installation of the tailstock of the machine tool for the staff, and the staff only needs to install the tailstock of the machine tool to the slide rail and slide the tailstock of the machine tool to the baffle plate, and then the servo motor can be started to clamp and fix the tailstock of the machine tool, which greatly improves the installation efficiency of the tailstock of the machine tool for the staff.

[0018] 2. The utility model arranges a connecting groove on the bottom surface of the tailstock body to align with the slide rail for quick installation and disassembly, and arranges a second threaded rod, which can drive the threaded tube to slide in the fixed tube when rotating. The arrangement of a bearing can better facilitate the stable rotation of the second threaded rod at the fixed tube, and the arrangement of the crank can greatly improve the force applied to the staff when turning the crank. The arrangement of a connecting plate and a sliding rod can facilitate the sliding block to slide within a limited position at the sliding rod driven by the connecting block, and the arrangement of a sliding bar can better facilitate the stable sliding of the threaded block.

[0019] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the tailstock main body of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the crank of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the disassembly mechanism of the utility model;

[0024] Figure 4 It is a three-dimensional structural sectional view of the second threaded rod of the utility model.

[0025] Numbers in the figure:

[0026] 1. Main board; 2. Disassembly mechanism; 201. Servo motor; 202. First threaded rod; 203. Fixed plate; 204. Threaded block; 205. Connecting block; 206. Pushing plate; 207. First limit block; 208. Clamping plate; 209. Second limit block; 2010. Slide rail; 2011. Baffle; 2012. Connecting plate; 2013. Slide rod; 2014. Sliding block; 2015. Slide bar; 3. Tail stock body; 4. Fixed cylinder; 5. Threaded cylinder; 6. Second threaded rod; 7. Bearing; 8. Crank handle; 9. Crank handle; 10. Center; 11. Sliding block; 12. Bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 The tailstock center of a novel CNC machine tool comprises a main board 1, and a disassembly mechanism 2 is provided on the upper surface of the main board 1. The disassembly mechanism 2 comprises a servo motor 201 fixedly connected to the upper surface of the main board 1, a first threaded rod 202, a fixing plate 203, a threaded block 204, and two connecting blocks 205 fixedly connected to the outer surface of the threaded block 204. The output shaft of the servo motor 201 is fixedly connected to the left end of the first threaded rod 202, and the end of the first threaded rod 202 away from the servo motor 201 is rotatably connected to the outer surface of the fixing plate 203, the bottom surface of the fixing plate 203 is fixedly connected to the upper surface of the main board 1, and the inner wall of the threaded block 204 is threadedly connected to the outer surface of the first threaded rod 202.

[0029] refer to Figure 3 The servo motor 201 is set up so that the output shaft of the servo motor 201 drives the first threaded rod 202 to rotate stably under the limiting and supporting action of the fixed plate 203, and the first threaded rod 202 can drive the threaded block 204 to move laterally when rotating, and the first threaded rod 202 has a self-locking thread, so that the threaded block 204 can be better stabilized when moving laterally, avoiding the risk of displacement and sliding of the threaded block 204 after being subjected to force.

[0030] The reserved groove on the inner wall of the fixed cylinder 4 is slidably connected with a threaded cylinder 5, and the inner wall of the threaded cylinder 5 is threadedly connected with a second threaded rod 6, and the end of the second threaded rod 6 away from the threaded cylinder 5 is rotatably connected to the inner wall of the fixed cylinder 4. By setting the second threaded rod 6, the second threaded rod 6 can drive the threaded cylinder 5 to slide in the fixed cylinder 4 when rotating, and the strip block set on the outer surface of the threaded cylinder 5 can prevent the threaded cylinder 5 from rotating during lateral movement, thereby greatly improving the clamping work of the overall device on the workpiece.

[0031] A bearing 7 is embedded in the inner wall of the fixed cylinder 4, and the inner ring of the bearing 7 is fixedly connected to the outer surface of the second threaded rod 6. By providing the bearing 7, the second threaded rod 6 can be more easily rotated stably at the fixed cylinder 4, and the friction loss between the second threaded rod 6 and the fixed cylinder 4 can be greatly reduced, thereby greatly improving the service life of the second threaded rod 6.

[0032] One end of the second threaded rod 6 away from the threaded tube 5 is fixedly connected with a crank 8, and the crank handle 8 is fixedly connected with a crank handle 9 with anti-slip measures, and one end of the threaded tube 5 away from the second threaded rod 6 is installed with a detachable top 10.

[0033] By setting the crank 8, it can be more convenient for the staff to manually turn the crank 8, so that the crank 8 drives the second threaded rod 6 to rotate, which is convenient for the telescopic movement of the threaded barrel 5. The setting of the crank 9 can greatly increase the force applied to the staff when turning the crank 8, and can also protect the hands of the staff. The setting of the top 10 can not only facilitate installation on the threaded barrel 5, but also can rotate stably at the threaded barrel 5, so that the workpiece can be rotated.

[0034] The reserved grooves on the outer surfaces of the two connecting blocks 205 are hinged with a push plate 206 through a pin shaft, and the upper surface of the main board 1 is fixedly connected with two first limit blocks 207, and the first limit blocks 207 are hinged with a clamping plate 208 through a pin shaft, and the side surfaces of the two clamping plates 208 close to the push plate 206 are fixedly connected with a second limit block 209, and the second limit block 209 is hinged to the end of the push plate 206 away from the connecting block 205.

[0035] refer to Figure 3 The setting of the push plate 206 enables the threaded block 204 to push the push plate 206 and the clamping plate 208 to tilt and pull up through the connecting block 205, so that the tailstock of the machine tool can be clamped and fixed, which greatly improves the installation convenience of the tailstock of the machine tool, reduces the trouble of the staff in installing the tailstock of the machine tool, and thus greatly improves the staff's work on workpiece processing.

[0036] A slide bar 2015 for limiting and guiding the threaded block 204 is fixedly connected to the upper surface of the main board 1, and the outer surface of the slide bar 2015 is slidably connected to the reserved groove on the bottom surface of the threaded block 204. By providing the slide bar 2015, the threaded block 204 can be more easily and stably slid, thereby preventing the threaded block 204 from rotating and shaking when it moves horizontally at the first threaded rod 202, thereby greatly improving the movement stability of the threaded block 204 and facilitating the limited movement of the threaded block 204.

[0037] Two slide rails 2010 are fixedly connected to the upper surface of the main board 1, and a baffle 2011 is fixedly connected to the left side of the slide rail 2010. Through the setting of the slide rail 2010, the slide rail 2010 can facilitate the installation of the machine tool tailstock. First, align the machine tool tailstock with the sliding groove on the surface of the slide rail 2010, and slide the machine tool tailstock to the baffle 2011.

[0038] The tailstock of the machine tool is brought into contact with the baffle 2011, and then the tailstock of the machine tool is clamped and fixed by starting the servo motor 201. The set length of the slide rail 2010 can facilitate rapid alignment of the tailstock of the machine tool, greatly improving the convenience of installation and disassembly.

[0039] The outer surfaces of the two slide rails 2010 are both provided with slide grooves, and the outer surfaces of the slide rails 2010 are sleeved with a slidable tailstock body 3 , and the upper surface of the tailstock body 3 is fixedly connected with a fixing cylinder 4 .

[0040] By setting up the tailstock body 3, it is convenient to slide on the slide rail 2010, and the connecting groove on the bottom surface of the tailstock body 3 is aligned with the slide rail 2010 for quick installation and disassembly, so that the tailstock body 3 is clamped and fixed by subsequent components, which can avoid the tailstock body 3 from sliding when clamping the workpiece, and the setting of the fixing cylinder 4 can facilitate the installation of subsequent clamping components.

[0041] The sliding grooves on the outer surfaces of the two slide rails 2010 are both sleeved with slidable sliding blocks 11, and the upper surfaces of the sliding blocks 11 are threadedly connected with bolts 12. By setting the sliding blocks 11, the limiting blocking of the tailstock body 3 can be further improved, and the setting of the bolts 12 can facilitate the fixing of the sliding blocks 11 on the slide rails 2010 to stably block the tailstock body 3, thereby further improving the stability of the tailstock body 3.

[0042] Two connecting plates 2012 are fixedly connected to the upper surface of the main board 1, and the sides of the two groups of connecting plates 2012 that are close to each other are fixedly connected to the sliding rods 2013, and the sides of the two connecting blocks 205 that are away from each other are fixedly connected to the sliding blocks 2014, and the sliding blocks 2014 are slidably connected to the sliding rods 2013.

[0043] By setting the connecting plate 2012 and the sliding rod 2013, the sliding block 2014 can be easily driven by the connecting block 205 to slide in a limited position at the sliding rod 2013, thereby further improving the stability of the connecting block 205 during lateral movement and avoiding the risk of damage to the pushing plate 206 due to its large bearing capacity during transmission.

[0044] The specific implementation process of the utility model is as follows: when processing a workpiece, first, the tailstock body 3 is moved to the slide rail 2010, so that the connecting groove on the bottom surface of the tailstock body 3 is aligned with the sliding groove on the outer surface of the slide rail 2010, the tailstock body 3 is slid to the slide rail 2010, and the tailstock body 3 is slid to the baffle 2011, so that the tailstock body 3 is in contact with the baffle 2011. At this time, by starting the servo motor 201, the output shaft of the servo motor 201 drives the first threaded rod 202 to rotate under the limiting support of the fixed plate 203, and the first threaded rod 202 is When rotating, the threaded block 204 can be driven to move laterally, so that the threaded block 204 drives the connecting block 205 to move synchronously, so that the connecting block 205 pushes the pushing plate 206 to move laterally, so that the pushing plate 206 pushes the clamping plate 208 to tilt and flip through the first limit block 207 and the second limit block 209, so that the clamping plate 208 clamps and fixes the surface of the tailstock body 3, thereby realizing the rapid installation of the tailstock body 3, and when disassembling, the tailstock body 3 can be taken out by reverse operation, and the stability of the tailstock body 3 can also be further improved through the sliding block 11.

[0045] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A novel tailstock center of a CNC machine tool, comprising a main board (1), characterized in that: The upper surface of the main board (1) is provided with a disassembly mechanism (2), the disassembly mechanism (2) comprising a servo motor (201) fixedly connected to the upper surface of the main board (1), a first threaded rod (202), a fixing plate (203), a threaded block (204), and two connecting blocks (205) fixedly connected to the outer surface of the threaded block (204), the output shaft of the servo motor (201) being fixedly connected to the left end of the first threaded rod (202), and the end of the first threaded rod (202) away from the servo motor (201) being rotatably connected to the outer surface of the fixing plate (203), the bottom surface of the fixing plate (203) being fixedly connected to the upper surface of the main board (1), and the inner wall of the threaded block (204) being threadedly connected to the outer surface of the first threaded rod (202); The reserved grooves on the outer surfaces of the two connecting blocks (205) are hinged with a push plate (206) via a pin shaft, the upper surface of the main board (1) is fixedly connected with two first limit blocks (207), and the first limit blocks (207) are hinged with a clamping plate (208) via a pin shaft, and the side surfaces of the two clamping plates (208) close to the push plate (206) are fixedly connected with a second limit block (209), and the second limit block (209) is hinged with an end of the push plate (206) away from the connecting block (205); Two slide rails (2010) are fixedly connected to the upper surface of the main board (1), and a baffle (2011) is fixedly connected to the left side of the slide rail (2010).

2. The novel tailstock center of a CNC machine tool according to claim 1 is characterized in that: The outer surfaces of the two slide rails (2010) are both provided with sliding grooves, and the outer surfaces of the slide rails (2010) are sleeved with a slidable tailstock body (3), and the upper surface of the tailstock body (3) is fixedly connected with a fixing cylinder (4).

3. The novel tailstock center of a CNC machine tool according to claim 2 is characterized in that: The reserved groove on the inner wall of the fixed cylinder (4) is slidably connected to a threaded cylinder (5), and the inner wall of the threaded cylinder (5) is threadedly connected to a second threaded rod (6), and one end of the second threaded rod (6) away from the threaded cylinder (5) is rotatably connected to the inner wall of the fixed cylinder (4).

4. The novel tailstock center of a CNC machine tool according to claim 3 is characterized in that: A bearing (7) is embedded in the inner wall of the fixed cylinder (4), and the inner ring of the bearing (7) is fixedly connected to the outer surface of the second threaded rod (6).

5. The novel tailstock center of a CNC machine tool according to claim 4 is characterized in that: The end of the second threaded rod (6) away from the threaded barrel (5) is fixedly connected to a crank (8), and the crank handle (9) with anti-slip measures is fixedly connected to the crank handle of the crank handle (8), and the end of the threaded barrel (5) away from the second threaded rod (6) is installed with a detachable top (10).

6. The novel tailstock center of a CNC machine tool according to claim 1 is characterized in that: The sliding grooves on the outer surfaces of the two slide rails (2010) are both sleeved with slidable sliding blocks (11), and the upper surfaces of the sliding blocks (11) are threadedly connected with bolts (12).

7. The novel tailstock center of a CNC machine tool according to claim 1 is characterized in that: Two connecting plates (2012) are fixedly connected to the upper surface of the main board (1); the sides of the two groups of connecting plates (2012) close to each other are fixedly connected to sliding rods (2013); the sides of the two connecting blocks (205) away from each other are fixedly connected to sliding blocks (2014); and the sliding blocks (2014) are slidably connected to the sliding rods (2013).

8. The novel tailstock center of a CNC machine tool according to claim 1 is characterized in that: A slide bar (2015) for limiting and guiding the threaded block (204) is fixedly connected to the upper surface of the main board (1), and the outer surface of the slide bar (2015) is slidably connected to a reserved groove on the bottom surface of the threaded block (204).

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